NAME - computes a DKIM signature for an email message

SYNOPSIS [options] < original_email.txt
      --debug-canonicalization=FILE --help
    to see a full description of the various options



Optional. Specify the desired signature expiration, as a delta from the signature timestamp.


Determines the desired signature. Use dkim for a DKIM-Signature, or domainkeys for a DomainKey-Signature.


Determines the desired canonicalization method. Possible values are simple, simple/simple, simple/relaxed, relaxed, relaxed/relaxed, relaxed/simple.


Outputs the canonicalized message to the specified file, in addition to computing the DKIM signature. This is helpful for debugging canonicalization methods.


Jason Long, <>


Copyright (C) 2006-2007 by Messiah College

This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself, either Perl version 5.8.6 or, at your option, any later version of Perl 5 you may have available.